<!DOCTYPE html>
<html lang="en">
<<<<<<< HEAD

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>

    <style>
        #container {
            display: grid;
            grid-template-columns: 1fr 2fr 3fr;
            grid-row-gap: 2px;
            grid-column-gap: 20px;
        }

        .item {
            font-size: 4em;
            text-align: center;
            border: 1px solid #e5e4e9;
        }

        .item-1 {
            background-color: #ef342a;
        }

        .item-2 {
            background-color: #f68f26;
        }

        .item-3 {
            background-color: #4ba946;
        }

        .item-4 {
            background-color: #0376c2;
        }

        .item-5 {
            background-color: #c077af;
        }

        .item-6 {
            background-color: #f8d29d;
        }

        .item-7 {
            background-color: #b5a87f;
        }

        .item-8 {
            background-color: #d0e4a9;
        }

        .item-9 {
            background-color: #4dc7ec;
        }
    </style>

</head>

<body>
    <div id="container">
        <div class="item item-1">1</div>
        <div class="item item-2">2</div>
        <div class="item item-3">3</div>
        <div class="item item-4">4</div>
        <div class="item item-5">5</div>
        <div class="item item-6">6</div>
        <div class="item item-7">7</div>
        <div class="item item-8">8</div>
        <div class="item item-9">9</div>
    </div>

</body>

=======
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>背景渐变</title>
    <style>
        .box{
            width: 200px;
            height: 200px;
            background: linear-gradient(45deg, red, blue);
        }

        .box1{
            width: 200px;
            height: 200px;
            background: linear-gradient(to top, red, blue);
        }
        .box2{
            width: 200px;
            height: 200px;
            background: linear-gradient(to right, red, blue);
        }
    </style>
</head>
<body>
    <div class="box">圆角</div>
    <div class="box1">圆角</div>
    <div class="box2">圆角</div>
</body>
>>>>>>> 2d48e37ac3141d613ded156dc673ecb49eb01793
</html>